Defined term
Point of interconnection
Under SDG&E Rule 21, the point of interconnection is where interconnection facilities connect to the utility's distribution or transmission system; it may or may not coincide with the point of common coupling.
grid · Concept code GS-CONCEPT-186 · Last verified September 29, 2026
Evidence through 2023-08-06 · 0 sources have no source-event date
Content modified 2026-09-29
Definition and decision context
Why it matters
Rule 21 distinguishes the POI from the PCC and does not turn either tariff term into site-specific equipment-location advice.
Review confirmed · Review due October 29, 2026
The previous review deadline was September 27, 2026. The missed interval remains unverified; the current review does not establish historical coverage.
The cited evidence supports this statement within the source’s stated scope. Its jurisdiction and source-event date limit its applicability to a particular project.
Applicable jurisdiction: US-CA
Verified September 29, 2026
Definition
Under SDG&E Rule 21, the point of interconnection is where interconnection facilities connect to the utility's distribution or transmission system; it may or may not coincide with the point of common coupling.
Review confirmed · Review due October 29, 2026
The previous review deadline was September 27, 2026. The missed interval remains unverified; the current review does not establish historical coverage.
The cited evidence supports this statement within the source’s stated scope. Its jurisdiction and source-event date limit its applicability to a particular project.
Applicable jurisdiction: US-CA
Verified September 29, 2026
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Primary sources
- San Diego Gas & Electric: SDG&E Electric Rule 21 § C Definitions — Point of Interconnection; printed tariff Sheet 21; PDF page 20; Cal. P.U.C. Sheet No. 37543-E; Advice Letter 4242-E; effective 2023-08-06
Revision tariff Sheet21, Cal.PUC37543-E, AL4242-E, submitted2023-07-07, effective2023-08-06 · Source event as of August 6, 2023 · Ontology accessed September 29, 2026 · Ontology verified September 29, 2026